cf:Shovels and Swords

题目

AC代码

#include 
#include 
#include 
#include 
using namespace std;
int main(){
    int T;
    cin >> T;
    while(T--){
        int n,m;
        cin >> n >> m;
        cout << min(m,min(n,(n+m)/3)) << "\n";
        
    }
}